diff --git a/configuration.nix b/configuration.nix
index b550508..3662bab 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -16,7 +16,7 @@
 
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
   environment.systemPackages = with pkgs; [
-
+    #(callPackage ./pkgs/sddm-sugar-dark-theme.nix { })
 
     git
     neovim
@@ -46,27 +46,32 @@
   };
 
   # Enable the X11 windowing system.
+  #services.xserver = {
+  #  enable = true;
+    #displayManager = {
+    #  sddm = {
+    #    enable = true;
+    #    theme = "sddm-sugar-dark";
+    #  };
+    #  defaultSession = "none+xmonad";
+    #};
+  #};
   services.xserver = {
     enable = true;
     displayManager = {
       sddm = {
         enable = true;
-        theme = "sddm-sugar-dark";
+	      theme = "sddm-sugar-dark";
       };
+      defaultSession = "none+xmonad";
+    };
+    windowManager.xmonad = {
+      enable = true;
+    };
+    xkb = {
+      layout = "de";
     };
   };
-  #services.xserver = {
-  #  displayManager = {
-  #    sddm = {
-  #      enable = true;
-	#      theme = "sddm-sugar-dark";
-  #    };
-  #    defaultSession = "none+xmonad";
-  #  };
-   # xkb = {
-  #    layout = "de";
-  #  };
-  #};
 
 
   # Configure keymap in X11
diff --git a/home/programs/xmonad/default.nix b/home/programs/xmonad/default.nix
index 779e2ee..5aadf16 100644
--- a/home/programs/xmonad/default.nix
+++ b/home/programs/xmonad/default.nix
@@ -9,6 +9,13 @@
         enableContribAndExtras = true;
         config = ./src/xmonad.hs;
       };
+      #displayManagaer = {
+      #  sddm = {
+      #    enable = true;
+      #    theme = "sugar-dark";
+      #  };
+      #  defaultSession = "none+xmonad";
+      #};
     };
   };
 
diff --git a/pkgs/sddm-sugar-dark-theme.nix b/pkgs/sddm-sugar-dark-theme.nix
index e69de29..911cfbc 100644
--- a/pkgs/sddm-sugar-dark-theme.nix
+++ b/pkgs/sddm-sugar-dark-theme.nix
@@ -0,0 +1,20 @@
+{ lib, stdenv, sddm, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "sddm-sugar-dark";
+  version = "1.2";
+  
+  src = fetchFromGitHub {
+    owner = "MarianArlt";
+    repo = "sddm-sugar-dark";
+    rev = "v${version}";
+    hash = "sha256-C3qB9hFUeuT5+Dos2zFj5SyQegnghpoFV9wHvE9VoD8=";
+  };
+  
+  dontBuild = true;
+
+  postInstall = ''
+    mkdir -p "$out/share/sddm/themes/"
+    mv src "$out/share/sddm/themes/."
+  '';
+}
diff --git a/pkgs/sugar-dark.tar.gz b/pkgs/sugar-dark.tar.gz
new file mode 100644
index 0000000..13f370b
Binary files /dev/null and b/pkgs/sugar-dark.tar.gz differ